Because you like Lestat de Lioncourt in Interview with the Vampire: The Vampire Chronicles

On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.

Carol Aird is driven to fight to make her life better, regardless the consequences. See them in Carol.

You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.

Anastasia Steele's new boyfriend Christian might as well come with a warning label that reads "Beware: Severe Issues That Might Warrant a Trip to Dr. Phil." See them in Fifty Shades of Grey.

Donna Carmichael is a free-spirited single mom and gracefully aging hippie. See them in Mamma Mia!.

Gotham's unhinged Clown Princess of Crime will call you puddin', then punch you in the face. See them in DC Extended Universe.

Kristoff may seem standoffish, but this ice harvester has a warm heart. See them in Frozen.

Olive Hoover is an irrepressible child beauty queen (or would-be queen) who doesn't play by your rules. See them in Little Miss Sunshine.

A sexy succubus , Morrigan Aensland lives for pleasure. See them in Darkstalkers .

Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.

GLaDOS will supply the food when you get together: a delicious cake. Of course, it could just be a trap so she can kill you. It’s hard to say. See them in Portal Series.

There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.